China Pets manufacturers DHA Algae Oil is extracted from Marine microalgae, without transfer by food chain, relatively safe,the EPA content is very low. DHA, Docosahexaenoic Acid, commonly known as brain gold, It is a kind of polyunsaturated fatty acid which is very important to human body. It is an important member of the omega-3 unsaturated fatty acid family. DHA is a major element in the growth and maintenance of nervous system cells. It is the important components fatty acids of the brain and retina. It is content reach up to 20% in human cerebral cortex.It accounts for the largest proportion in the retina of the eye, it is abou